99cd998a479156e669d097a7420229d2c8b7c9671b5efe1d2cedc4c0635c4637

General

Target

5e1b3c0da52690da1e46301d2fcb0800N.exe
Size

42KB
MD5

5e1b3c0da52690da1e46301d2fcb0800
SHA1

83f4f49b0cedd49f4456d435bc4eadf7e4c5d2a1
SHA256

99cd998a479156e669d097a7420229d2c8b7c9671b5efe1d2cedc4c0635c4637
SHA512

97ccc7867d958258c7882ef4cc8a5b0366717bccbd013363509c5d90f6a472e157a888ac9c22e20b0ef423e5942b3c03897444f71f52197328b05d49c6987225
SSDEEP

384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0rtKqhMa82c7ky435/tVcOOVo:F/3ed1zZN/zoy0rt/Mdn43RvcOx

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1444	update_pdf.exe

Loads dropped DLL 4 IoCs

pid	Process
1080	5e1b3c0da52690da1e46301d2fcb0800N.exe
1444	update_pdf.exe
1444	update_pdf.exe
1444	update_pdf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5e1b3c0da52690da1e46301d2fcb0800N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update_pdf.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	update_pdf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	update_pdf.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1444	1080	5e1b3c0da52690da1e46301d2fcb0800N.exe	30
PID 1080 wrote to memory of 1444	1080	5e1b3c0da52690da1e46301d2fcb0800N.exe	30
PID 1080 wrote to memory of 1444	1080	5e1b3c0da52690da1e46301d2fcb0800N.exe	30
PID 1080 wrote to memory of 1444	1080	5e1b3c0da52690da1e46301d2fcb0800N.exe	30
PID 1080 wrote to memory of 1444	1080	5e1b3c0da52690da1e46301d2fcb0800N.exe	30
PID 1080 wrote to memory of 1444	1080	5e1b3c0da52690da1e46301d2fcb0800N.exe	30
PID 1080 wrote to memory of 1444	1080	5e1b3c0da52690da1e46301d2fcb0800N.exe	30

C:\Users\Admin\AppData\Local\Temp\5e1b3c0da52690da1e46301d2fcb0800N.exe
"C:\Users\Admin\AppData\Local\Temp\5e1b3c0da52690da1e46301d2fcb0800N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\update_pdf.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:1444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\update_pdf.exe

Filesize
42KB

MD5
e1afc8810d6ef3935088a323cf212978

SHA1
223da5efdbaaf1e93ca9bf89ec786203ae4d914b

SHA256
908dfca953f5a95039f264be53796152f524a09defa39a9cdd8482b025d5b173

SHA512
5e193582c0479e5cbf23098d311fa32eb8718ae7b4db0283c8dc648cd89d0f6dfa0ee5ce82db38713656c564511e9f799a24d17e3f3435ffb9d1aa45e667af07

Download Submit
memory/1080-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1080-2-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/1080-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1444-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1444-16-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1444-15-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1444-14-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1444-29-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1444-30-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1444-31-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download

Analysis

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